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20 lines
796 B
20 lines
796 B
\midheading{$W+c$ production, processes 13,18}
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\label{subsec:wc}
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These processes represent the production of a $W$ boson which
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subsequently decays leptonically, in association with a charm
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quark.
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This is produced at leading order by an initial state which
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contains a strange anti-quark (or Cabibbo suppressed $d$ anti-quark) and a
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gluon, e.g
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$ \bar{d}(-p_1)+g(p_2) \to W^+(\to \nu(p_3)+e^+(p_4))+\bar{c}(p_5)$
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and
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$ \bar{u}(-p_1)+g(p_2) \to W^+(\to \nu(p_3)+e^+(p_4))+\bar{c}(p_5)$
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or the charge conjugate process for $W^{-}$.
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This process is somewhat analogous to single top production.
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The effect of the charm quark mass is included throughout the
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calculation. The calculation of this process may
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be performed both at LO and NLO.
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When {\tt removebr} is true, the $W$ boson does not decay.
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